Home / 222,577.54-307,155.45-121,973.38

Finding the Fourth Proportional to 222,577.54, 307,155.45 and 121,973.38

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Solution

The fourth proportional to 222,577.54, 307,155.45 and 121,973.38 is: 168,322.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,577.54 : 307,155.45 = 121,973.38 : x
  2. Step 2: Convert to fraction form
    222,577.54/307,155.45 = 121,973.38/x
  3. Step 3: Cross multiply
    222,577.54x = 307,155.45 × 121,973.38
  4. Step 4: Simplify right side
    222,577.54x = 37,464,788,421.92
  5. Step 5: Solve for x
    x = 37,464,788,421.92/222,577.54
  6. Step 6: Final answer
    x = 168,322.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.